import java.util.Scanner;
public class caishu{
public static void main(String[] args){
Scanner scanner=new Scanner(System.in);
int number=(int) (Math.random()*10);
int guess;

do{
System.out.printf("guess the number(0~9):");
guess=scanner.nextInt();
}while(guess!=number);

System.out.printf("guess right...XD");
}
}

